CI: github: update wolfSSL to 5.6.4

Update wolfSSL to the 5.6.4 released version.

diff --git a/.github/matrix.py b/.github/matrix.py
index afced5e..b5a971c 100755 (executable)
--- a/.github/matrix.py
+++ b/.github/matrix.py
@@ -194,7 +194,7 @@ def main(ref_name):
             "OPENSSL_VERSION=1.0.2u",
             "OPENSSL_VERSION=1.1.1s",
             "QUICTLS=yes",
-            "WOLFSSL_VERSION=git-d83f2fa",
+            "WOLFSSL_VERSION=5.6.4",
             "AWS_LC_VERSION=1.16.0",
             # "BORINGSSL=yes",
         ]